Question

Evaluate, if a=2, b=1 9(a? -b?)​

Answer 1

Answer:

9

Explanation:

if a= 2, b=1

Then, 9(a-b)

9(2-1)

9(1)

9 = Ans

Answer 2

Answer:

1

Explanation:

(2-1) = 1

I took 2 and 1 because the question says a is 2 and b is 1 so I substuted the values of (a-b)